Residential Green Roof For Slope

Perhaps the most important benefit of green roofs is that they can reduce the amount of and improve the quality of stormwater runoff from a building site.

Residential green roof for slope.

For extensive green roofs it s good to use moss sedum herbs and grasses. We have chosen to use the word vegetative rather than the word green in this guide because a non vegetative roof could be considered to be environmentally green without being vegetative. For semi intensive green roofs consider grasses shrubs small trees woody plants and herbs. Most critical for a low slope roof is weight bearing capacity.

You must address several structural concerns before you can embark on creating a green roof. Vegetative roofs also known as green roofs are thin layers of living vegetation installed on top of conventional flat or sloping roofs. The most versatile of all is intensive green roofs which can host virtually all plants and be treated much like a garden. The slab will be supported on nine steel columns with five girders and 45 beams situated to create the saddle like hypar roof shape.

It is the task of the designer to make adjustments in the green roof system accordingly e g. A handy roof slope estimator can help you determine if your roof slope is likely too low for shingles. The soils of a green roof will capture a significant amount of stormwater which is absorbed and used by the planted material. The green roof will be composed of a liquid applied waterproofing membrane an inch thick root barrier three inches of insulation a 1 inch drainage mat with filter fabric and 8 inches of growth medium with an integrated cellular confinement system.

2 extensive green roof. Any large slope or flat roof that s hard to reach makes a great area for this kind of vegetation as nature will take care of itself. They may be flat or sloped. Basic green roof components include the base roof deck water proofing layer and green roof systems.

Roofs at the lower end of the range about 4 12 to 6 12 are relatively easy to walk and work on. The following is a summary of the basic green roof system components. It also keeps the room below it warmer in winter and as much as 6 to 8 degrees cooler in summer thereby reducing utility costs. The majority of north american residential roofs have historically been constructed with a slope between about 4 12 and 9 12.

Seed mixtures can be bought specifically for green roofs. Drainage thickness of growing media plant varieties etc. Residential green roofs such as theirs protect natural waterways from oily street residue by lessening the chances that municipal storm drain systems will overflow. All green roofs are built upon a roof deck and may be made from concrete steel or wood.